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For this visualisation from Week 7, I took playlists of the pop music presented at the Grammy awards (US) and the Edison awards (NL) in 2019. Using ggplotly, the visualisation became interactive.
The x axis shows valence and the y axis shows Spotify’s ‘energy’ feature, which is roughly analogous to the notion of arousal in psychological research on emotion. Under this model, the quadrants of each graph, starting clockwise from the top left, represent angry, happy, relaxed, and sad music. The size of each point is proportional to the average volume of the track.